Brianna Paxton has been invisible to guys since the eighth grade. She’s pretty enough, it’s just that no one bothers to look. There’s almost nothing that can’t be explained with science, and Brianna has a theory: she’s missing the pheromone that attracts people to one another. Brianna’s theory is shot to hell in one frozen, silver moment, when time stops and Blake Williams not only sees her, he recognizes something inside her that she’s been hiding from even herself.

Before Brianna fully understands who and what she is, she accidentally binds her soul to Blake. Forced to find a way to reconcile forbidden love and her bloody heritage, Brianna discovers that there's nothing pointless about her, and Blake may be in the most danger of all.

In a city where humans and Darklings are now separated by a high wall and tensions between the two races still simmer after a terrible war, sixteen-year-olds Ash Fisher, a half-blood Darkling, and Natalie Buchanan, a human and the daughter of the Emissary, meet and do the unthinkable—they fall in love. Bonded by a mysterious connection, that causes Ash’s long dormant heart to beat, Ash and Natalie first deny and then struggle to fight their forbidden feelings for each other, knowing if they’re caught they’ll be executed—but their feelings are too strong. When Ash and Natalie then find themselves at the center of a deadly conspiracy that threatens to pull the humans and Darklings back into war, they must make hard choices that could result in both their deaths.

Mason Starling is a champion fencer for Gosforth Academy, but she’s never had to fight for her life. Until now. When a ferocious storm rips through Manhattan and unleashes terrifying creatures onto Gosforth’s campus, Mason barely escapes alive. Without help from the mysterious stranger who appeared in the midst of the storm, she might not have made it at all. But now, in the aftermath, Mason’s life begins to spin dramatically, mystically out of control, and the only one who seems able to help her is the stranger who can remember nothing but his name: Fennrys Wolf.

As Mason and Fenn uncover more about Fenn’s past and the strange events that surround them, they realize that Mason’s family — and its dark allegiance to the ancient Norse gods — is at the center of everything. A predetermined fate seems to be closing in on Mason, but is it possible to change one’s destiny?